2. The Cosmic Clock

From the womb to a final moment of peace, witness the steady ticking of the universe's clock through the eyes of the chimpanzee.

3. Turning Seasons

Dive into the long year of the Alaskan brown bear through the Earth's seasonal cycle amid the frigid winter months and into the warmth of summer.

4. Elemental

The elements that constitute every living being were formed within the very first stars. Today, a green sea turtle searches the ocean for them.

5. Water World

The story of water's miraculous arrival onto our planet and its pivotal role in the survival — and amusement — of a herd of elephants.

6. Force of Attraction

Shaping our entire universe, gravity has set the stage for life. For two king penguins, it steered them toward their soulmates.